<!--
 * @Author: 高瑞寒 15932717091@163.com
 * @Date: 2022-05-17 22:48:58
 * @LastEditTime: 2022-05-20 21:57:45
 * @LastEditors: 高瑞寒 15932717091@163.com
 * @Description:
-->
<template>
    <!-- 展示外部组件 -->
    <div
      v-if="isExternal"
      :style="styleExternalIcon"
      class="svg-external-icon svg-icon"
      :class="className"
    ></div>
    <!-- 展示内部图标 -->
    <svg v-else :class="className" class="svg-icon" aria-hidden="true">
      <use :xlink:href="iconName"></use>
    </svg>
</template>

<script setup>
import { isExternal as external } from '@/utils/validate'
import { computed } from 'vue'
// eslint-disable-next-line no-undef
const props = defineProps({
  // icon图标
  icon: {
    type: String,
    required: true
  },
  className: {
    type: String,
    default: ''
  }
})
/**
 * 判断当前图标是否为外部图标
 */
const isExternal = computed(() => external(props.icon))
/**
 * 外部图标样式
 */
const styleExternalIcon = computed(() => ({
  mask: `url(${props.icon}) no-repeat 50% 50%`,
  '-webkit-mask': `url(${props.icon}) no-repeat 50% 50%`
}))
/** 内部图标 */
const iconName = computed(() => `#icon-${props.icon}`)
</script>

<style lang="scss" scoped>
.svg-icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
}
.svg-external-icon {
  background-color: currentColor;
  mask-size: cover !important;
  display: inline-block;
}
</style>
